Alpha Particles,each Having a Charge of +2e and a Mass

question 96

Multiple Choice

Alpha particles,each having a charge of +2e and a mass of 6.64 × 10^-27 kg,are accelerated in a uniform 0.80-T magnetic field to a final orbit radius of 0.30 m.The field is perpendicular to the velocity of the particles.How long does it take an alpha particle to make one complete circle in the final orbit? (e = 1.60 × 10^-19C)

• A)0.15 μs
• B)0.25 μs
• C)0.33 μs
• D)0.40 μs

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Definitions:

Insurance Policy

A contract between an individual or entity and an insurance company, outlining the terms under which insurance coverage is provided.

Adverse Selection

A situation where incomplete or asymmetric information leads to a market failure, typically in insurance markets, where riskier individuals are more likely to select into plans.

Insurance Companies

Organizations that provide financial protection and compensation for losses to individuals and entities in exchange for premiums.

Adverse Selection

A situation where asymmetric information leads to the selection of undesirable alternatives in transactions, commonly seen in insurance markets.